Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771993 | Device for injecting divided solid materials in a smelting blast furnace | Yann de Lassat de Pressigny, Michel Schneider | 1988-09-20 |
| 4562961 | Nozzle end-piece for hot guniting | Claude Guenard, Jean-Claude Grosjean | 1986-01-07 |
| 4432534 | Oxygen lance for steel converter | Daniel Richard | 1984-02-21 |
| 4396182 | Lance for blowing an oxydizing gas, especially oxygen, onto a bath of molten metal | Bernard Schaffar | 1983-08-02 |
| 4277054 | Multiflow refining blastpipes for equipping converters for refining | — | 1981-07-07 |
| 4183508 | Metallurgical induction heating apparatus | Jacques Michelet | 1980-01-15 |